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Power lock switches dont work

Tiny
MITCH_C
  • MEMBER
  • 1998 PONTIAC GRAND AM
  • 167,894 MILES
Hi my 1998 pontiac grand am has a couple issues.

1. My power lock switches dont work, but when I turn the car off all the doors unlock. Does this mean its a switch issue and not a wiring one?

2. My windows ascend and descend at different speeds, driver's side being the fastest. The real problem is the back right window of the car. It lowers a little bit (about 2 inches) very slowly, then stops. If you wait like a minute or two and press it again, it will move slowly the same two inches and stop. Why is this? Would lubricating the other windows increase their movement speed?
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Friday, April 13th, 2012 AT 3:55 AM

6 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Lube may help. The rear is likely suffering a overheat protection fault. Little thermistor built into electric motor brush holder is failing cutting the amount of current available.
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Friday, April 13th, 2012 AT 4:06 AM
Tiny
MITCH_C
  • MEMBER
  • 3 POSTS
Okay and how do I fix that? And what about the locks?
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Friday, April 13th, 2012 AT 4:13 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Usually replace motor but you can bypass thermistor and get it to run again. Locks, have you checked fuses?
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Friday, April 13th, 2012 AT 6:12 AM
Tiny
MITCH_C
  • MEMBER
  • 3 POSTS
Ive tried to but I cant get into them. Theyre under the hood right
? Or are they inside the car under the dashboard?
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Friday, April 13th, 2012 AT 11:08 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
By drivers kick panel and under hood.
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Friday, April 13th, 2012 AT 7:04 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
V6 shows no underhood, underhood only on 4cyl.
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Friday, April 13th, 2012 AT 7:19 PM

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